Nielsen Hayden genealogy
Ancestors of Sancho I, King of Portugal
1154 - 1211 (56 years)
┌── Henry I of Burgundy 
( - 27 Jan 1074) =>
( - 27 Jan 1074) => ┌── Henry of Burgundy (1069 - 1 Nov 1112)(m. 1093)
(1069 - 1 Nov 1112)(m. 1093) │ └── (Unknown wife of Henry I of Burgundy) ( - Aft 5 Jul 1074 bur.Besançon, France)
( - Aft 5 Jul 1074 bur.Besançon, France) │
┌── Affonso I Henriques, King of Portugal (15 Jul 1110 - 6 Dec 1185 Coimbra, Portugal)(m. 1146)
(15 Jul 1110 - 6 Dec 1185 Coimbra, Portugal)(m. 1146) │ │
│ │ ┌── Alfonso VI, King of Leon, Castile, and Galicia (Abt 1039 -
│ │ │ 1 Jul 1109 Toledo, Toledo, Castilla-La Mancha, Spain) =>
(Abt 1039 -│ │ │ 1 Jul 1109 Toledo, Toledo, Castilla-La Mancha, Spain) =>
│ └── Teresa of León And Castile (Abt 1080 - 11 Nov 1130)(m. 1093)
(Abt 1080 - 11 Nov 1130)(m. 1093) │ └── Ximena Moniz ( - 1128)
( - 1128) │
Sancho I, King of Portugal (Coimbra, Portugal;11 Nov 1154 - 26 Mar 1211)
│
│ ┌── Umberto II of Savoy ( - 14 Oct 1103)(m. Abt 1090) =>
( - 14 Oct 1103)(m. Abt 1090) => │ ┌── Amadeo III (Abt 1095 - 30 Aug 1148 Cyprus)(m. 1123)
(Abt 1095 - 30 Aug 1148 Cyprus)(m. 1123) │ │ └── Gisela of Burgundy (Abt 1070 - Aft 1133)(m. Abt 1090) =>
(Abt 1070 - Aft 1133)(m. Abt 1090) => │ │
└── Mafalda of Savoy (Abt 1125 Savoy, Italy - 4 Nov 1157 Coimbra, Portugal)(m. 1146)
(Abt 1125 Savoy, Italy - 4 Nov 1157 Coimbra, Portugal)(m. 1146) │
│ ┌── Guigues VIII of Albon (Between 1050 and 1060 - 1133) =>
(Between 1050 and 1060 - 1133) => └── Mahaut of Albon ( - Aft 1145)(m. 1123)
( - Aft 1145)(m. 1123) └── Matilda